These are some of the things that have inspired me:

Sugata Mitra: Build a School in the Cloud

Matt Ridley: When ideas have sex

Simon Sinek: How great leaders inspire action

Andrew McAfee: Are droids taking our jobs? Every student in every school should have the opportunity to learn to code

Kirk Sorensen: Thorium, an alternative nuclear fuel

Salman Khan: Let's use video to reinvent education

Susan Blackmore: Memes and "temes"

Paul Gilding: The Earth is full

Niall Ferguson: The 6 killer apps of prosperity

Steve Jobs: How to live before you die

Juan Enriquez: Shares mindboggling new science

Hans Rosling: Asia's rise, how and when

Hans Rosling: The magic washing machine

Kirby Ferguson: Embrace the remix

Richard Wilkinson: How economic inequality harms societies

and many, many more........